(eval-when-compile (require 'fortran))
(defgroup change-log nil
"Change log maintenance"
:group 'tools
:link '(custom-manual "(emacs)Change Log")
:prefix "change-log-"
:prefix "add-log-")
(defcustom change-log-default-name nil
"*Name of a change log file for \\[add-change-log-entry]."
:type '(choice (const :tag "default" nil)
string)
:group 'change-log)
(defcustom add-log-current-defun-function nil
"\
*If non-nil, function to guess name of current function from surrounding text.
\\[add-change-log-entry] calls this function (if nil, `add-log-current-defun'
instead) with no arguments. It returns a string or nil if it cannot guess."
:type 'function
:group 'change-log)
(defcustom add-log-full-name nil
"*Full name of user, for inclusion in ChangeLog daily headers.
This defaults to the value returned by the `user-full-name' function."
:type '(choice (const :tag "Default" nil)
string)
:group 'change-log)
(defcustom add-log-mailing-address nil
"*Electronic mail address of user, for inclusion in ChangeLog daily headers.
This defaults to the value of `user-mail-address'."
:type '(choice (const :tag "Default" nil)
string)
:group 'change-log)
(defcustom add-log-time-format 'add-log-iso8601-time-string
"*Function that defines the time format.
For example, `add-log-iso8601-time-string', which gives the
date in international ISO 8601 format,
and `current-time-string' are two valid values."
:type '(radio (const :tag "International ISO 8601 format"
add-log-iso8601-time-string)
(const :tag "Old format, as returned by `current-time-string'"
current-time-string)
(function :tag "Other"))
:group 'change-log)
(defcustom add-log-keep-changes-together nil
"*If non-nil, normally keep day's log entries for one file together.
Log entries for a given file made with \\[add-change-log-entry] or
\\[add-change-log-entry-other-window] will only be added to others \
for that file made
today if this variable is non-nil or that file comes first in today's
entries. Otherwise another entry for that file will be started. An
original log:
* foo (...): ...
* bar (...): change 1
in the latter case, \\[add-change-log-entry-other-window] in a \
buffer visiting `bar', yields:
* bar (...): -!-
* foo (...): ...
* bar (...): change 1
and in the former:
* foo (...): ...
* bar (...): change 1
(...): -!-
The NEW-ENTRY arg to `add-change-log-entry' can override the effect of
this variable."
:version "20.3"
:type 'boolean
:group 'change-log)
(defcustom add-log-file-name-function nil
"*If non-nil, function to call to identify the filename for a ChangeLog entry.
This function is called with one argument, `buffer-file-name' in that buffer.
If this is nil, the default is to use the file's name
relative to the directory of the change log file."
:type 'function
:group 'change-log)
(defvar change-log-font-lock-keywords
'( ("^\\sw.........[0-9:+ ]*"
(0 font-lock-string-face)
("\\([^<(]+\\)[(<]\\([A-Za-z0-9_.-]+@[A-Za-z0-9_.-]+\\)[>)]" nil nil
(1 font-lock-constant-face)
(2 font-lock-variable-name-face)))
("^\t\\* \\([^ ,:([\n]+\\)"
(1 font-lock-function-name-face)
("\\=, \\([^ ,:([\n]+\\)" nil nil (1 font-lock-function-name-face))
("\\= (\\([^) ,:\n]+\\)" nil nil (1 font-lock-keyword-face))
("\\=, *\\([^) ,:\n]+\\)" nil nil (1 font-lock-keyword-face)))
("^\t(\\([^) ,:\n]+\\)"
(1 font-lock-keyword-face)
("\\=, *\\([^) ,:\n]+\\)" nil nil (1 font-lock-keyword-face)))
("\\[!?\\([^]\n]+\\)\\]\\(:\\| (\\)" (1 font-lock-variable-name-face))
("^\t\\(From\\|Patch\\(es\\)? by\\|Report\\(ed by\\| from\\)\\|Suggest\\(ed by\\|ion from\\)\\)"
1 font-lock-comment-face)
(" \\(From\\|Patch\\(es\\)? by\\|Report\\(ed by\\| from\\)\\|Suggest\\(ed by\\|ion from\\)\\)"
1 font-lock-comment-face))
"Additional expressions to highlight in Change Log mode.")
(defvar change-log-mode-map nil
"Keymap for Change Log major mode.")
(if change-log-mode-map
nil
(setq change-log-mode-map (make-sparse-keymap)))
(defvar change-log-time-zone-rule nil
"Time zone used for calculating change log time stamps.
It takes the same format as the TZ argument of `set-time-zone-rule'.
If nil, use local time.")
(defvar add-log-debugging)
(defun add-log-iso8601-time-zone (time)
(let* ((utc-offset (or (car (current-time-zone time)) 0))
(sign (if (< utc-offset 0) ?- ?+))
(sec (abs utc-offset))
(ss (% sec 60))
(min (/ sec 60))
(mm (% min 60))
(hh (/ min 60)))
(format (cond ((not (zerop ss)) "%c%02d:%02d:%02d")
((not (zerop mm)) "%c%02d:%02d")
(t "%c%02d"))
sign hh mm ss)))
(defun add-log-iso8601-time-string ()
(if change-log-time-zone-rule
(let ((tz (getenv "TZ"))
(now (current-time)))
(unwind-protect
(progn
(set-time-zone-rule
change-log-time-zone-rule)
(concat
(format-time-string "%Y-%m-%d " now)
(add-log-iso8601-time-zone now)))
(set-time-zone-rule tz)))
(format-time-string "%Y-%m-%d")))
(defun change-log-name ()
(or change-log-default-name
(if (eq system-type 'vax-vms)
"$CHANGE_LOG$.TXT"
"ChangeLog")))
(defun prompt-for-change-log-name ()
"Prompt for a change log name."
(let* ((default (change-log-name))
(name (expand-file-name
(read-file-name (format "Log file (default %s): " default)
nil default))))
(if (string= (file-name-nondirectory name) "")
(expand-file-name (file-name-nondirectory default)
name)
(if (file-directory-p name)
(expand-file-name (file-name-nondirectory default)
(file-name-as-directory name))
name))))
(defun find-change-log (&optional file-name)
"Find a change log file for \\[add-change-log-entry] and return the name.
Optional arg FILE-NAME specifies the file to use.
If FILE-NAME is nil, use the value of `change-log-default-name'.
If 'change-log-default-name' is nil, behave as though it were 'ChangeLog'
\(or whatever we use on this operating system).
If 'change-log-default-name' contains a leading directory component, then
simply find it in the current directory. Otherwise, search in the current
directory and its successive parents for a file so named.
Once a file is found, `change-log-default-name' is set locally in the
current buffer to the complete file name."
(or file-name
(setq file-name (and change-log-default-name
(file-name-directory change-log-default-name)
change-log-default-name))
(progn
(setq file-name (or (and buffer-file-name
(file-name-directory
(file-chase-links buffer-file-name)))
default-directory))
(if (file-directory-p file-name)
(setq file-name (expand-file-name (change-log-name) file-name)))
(setq file-name (file-chase-links file-name))
(setq file-name (expand-file-name file-name))
(let ((file1 file-name)
parent-dir)
(while (and (not (or (get-file-buffer file1) (file-exists-p file1)))
(progn (setq parent-dir
(file-name-directory
(directory-file-name
(file-name-directory file1))))
(not (string= (file-name-directory file1)
parent-dir))))
(setq file1 (expand-file-name
(file-name-nondirectory (change-log-name))
parent-dir)))
(if (or (get-file-buffer file1) (file-exists-p file1))
(setq file-name file1)))))
(set (make-local-variable 'change-log-default-name) file-name)
file-name)
(defun add-change-log-entry (&optional whoami file-name other-window new-entry)
"Find change log file and add an entry for today.
Optional arg WHOAMI (interactive prefix) non-nil means prompt for user
name and site.
Second arg is FILE-NAME of change log. If nil, uses `change-log-default-name'.
Third arg OTHER-WINDOW non-nil means visit in other window.
Fourth arg NEW-ENTRY non-nil means always create a new entry at the front;
never append to an existing entry. Option `add-log-keep-changes-together'
otherwise affects whether a new entry is created.
Today's date is calculated according to `change-log-time-zone-rule' if
non-nil, otherwise in local time."
(interactive (list current-prefix-arg
(prompt-for-change-log-name)))
(or add-log-full-name
(setq add-log-full-name (user-full-name)))
(or add-log-mailing-address
(setq add-log-mailing-address user-mail-address))
(if whoami
(progn
(setq add-log-full-name (read-input "Full name: " add-log-full-name))
(setq add-log-mailing-address
(read-input "Mailing address: " add-log-mailing-address))))
(let ((defun (funcall (or add-log-current-defun-function
'add-log-current-defun)))
bound entry)
(setq file-name (expand-file-name (find-change-log file-name)))
(and buffer-file-name
(not (string= buffer-file-name file-name))
(setq entry
(if add-log-file-name-function
(funcall add-log-file-name-function buffer-file-name)
(if (string-match
(concat "^" (regexp-quote (file-name-directory
file-name)))
buffer-file-name)
(substring buffer-file-name (match-end 0))
(file-name-nondirectory buffer-file-name)))))
(let ((buffer (find-buffer-visiting file-name)))
(setq add-log-debugging (list (gap-position) (gap-size))))
(if (and other-window (not (equal file-name buffer-file-name)))
(find-file-other-window file-name)
(find-file file-name))
(or (eq major-mode 'change-log-mode)
(change-log-mode))
(undo-boundary)
(goto-char (point-min))
(let ((new-entry (concat (funcall add-log-time-format)
" " add-log-full-name
" <" add-log-mailing-address ">")))
(if (looking-at (regexp-quote new-entry))
(forward-line 1)
(insert new-entry "\n\n")))
(setq bound
(progn
(if (looking-at "\n*[^\n* \t]")
(skip-chars-forward "\n")
(if add-log-keep-changes-together
(forward-page) (forward-paragraph))) (point)))
(goto-char (point-min))
(cond ((re-search-forward "^\\s *\\*\\s *$" bound t)
(if entry
(insert entry)))
((and (not new-entry)
(let (case-fold-search)
(re-search-forward
(concat (regexp-quote (concat "* " entry))
"\\(\\s \\|[(),:]\\)")
bound t)))
(re-search-forward "^\\s *$\\|^\\s \\*")
(goto-char (match-beginning 0))
(while (and (not (eobp)) (looking-at "^\\s *$"))
(delete-region (point) (save-excursion (forward-line 1) (point))))
(insert "\n\n")
(forward-line -2)
(indent-relative-maybe))
(t
(forward-line 1)
(while (looking-at "\\sW")
(forward-line 1))
(while (and (not (eobp)) (looking-at "^\\s *$"))
(delete-region (point) (save-excursion (forward-line 1) (point))))
(insert "\n\n\n")
(forward-line -2)
(indent-to left-margin)
(insert "* " (or entry ""))))
(if defun
(progn
(undo-boundary)
(insert (if (save-excursion
(beginning-of-line 1)
(looking-at "\\s *$"))
""
" ")
"(" defun "): "))
(if (not (save-excursion
(beginning-of-line 1)
(looking-at "\\s *\\(\\*\\s *\\)?$")))
(insert ": ")))))
(defun add-change-log-entry-other-window (&optional whoami file-name)
"Find change log file in other window and add an entry for today.
Optional arg WHOAMI (interactive prefix) non-nil means prompt for user
name and site.
Second optional arg FILE-NAME is file name of change log.
If nil, use `change-log-default-name'.
Affected by the same options as `add-change-log-entry'."
(interactive (if current-prefix-arg
(list current-prefix-arg
(prompt-for-change-log-name))))
(add-change-log-entry whoami file-name t))
(defun change-log-mode ()
"Major mode for editing change logs; like Indented Text Mode.
Prevents numeric backups and sets `left-margin' to 8 and `fill-column' to 74.
New log entries are usually made with \\[add-change-log-entry] or \\[add-change-log-entry-other-window].
Each entry behaves as a paragraph, and the entries for one day as a page.
Runs `change-log-mode-hook'."
(interactive)
(kill-all-local-variables)
(indented-text-mode)
(setq major-mode 'change-log-mode
mode-name "Change Log"
left-margin 8
fill-column 74
indent-tabs-mode t
tab-width 8)
(use-local-map change-log-mode-map)
(set (make-local-variable 'fill-paragraph-function)
'change-log-fill-paragraph)
(set (make-local-variable 'paragraph-start) "\\s *$\\|\f\\|^\\<")
(set (make-local-variable 'paragraph-separate) paragraph-start)
(set (make-local-variable 'page-delimiter) "^\\<\\|^\f")
(set (make-local-variable 'version-control) 'never)
(set (make-local-variable 'adaptive-fill-regexp) "\\s *")
(set (make-local-variable 'font-lock-defaults)
'(change-log-font-lock-keywords t))
(run-hooks 'change-log-mode-hook))
(defun change-log-fill-paragraph (&optional justify)
"Fill the paragraph, but preserve open parentheses at beginning of lines.
Prefix arg means justify as well."
(interactive "P")
(let ((end (progn (forward-paragraph) (point)))
(beg (progn (backward-paragraph) (point)))
(paragraph-start (concat paragraph-start "\\|\\s *\\s(")))
(fill-region beg end justify)
t))
(defcustom add-log-current-defun-header-regexp
"^\\([A-Z][A-Z_ ]*[A-Z_]\\|[-_a-zA-Z]+\\)[ \t]*[:=]"
"*Heuristic regexp used by `add-log-current-defun' for unknown major modes."
:type 'regexp
:group 'change-log)
(defvar add-log-lisp-like-modes
'(emacs-lisp-mode lisp-mode scheme-mode dsssl-mode lisp-interaction-mode)
"*Modes that look like Lisp to `add-log-current-defun'.")
(defvar add-log-c-like-modes
'(c-mode c++-mode c++-c-mode objc-mode)
"*Modes that look like C to `add-log-current-defun'.")
(defvar add-log-tex-like-modes
'(TeX-mode plain-TeX-mode LaTeX-mode plain-tex-mode latex-mode)
"*Modes that look like TeX to `add-log-current-defun'.")
(defun add-log-current-defun ()
"Return name of function definition point is in, or nil.
Understands C, Lisp, LaTeX (\"functions\" are chapters, sections, ...),
Texinfo (@node titles), Perl, and Fortran.
Other modes are handled by a heuristic that looks in the 10K before
point for uppercase headings starting in the first column or
identifiers followed by `:' or `=', see variable
`add-log-current-defun-header-regexp'.
Has a preference of looking backwards."
(condition-case nil
(save-excursion
(let ((location (point)))
(cond ((memq major-mode add-log-lisp-like-modes)
(or (eobp) (forward-char 1))
(beginning-of-defun)
(when (and (looking-at "\\s(")
(progn (end-of-defun)
(< location (point)))
(progn (forward-sexp -1)
(>= location (point))))
(if (looking-at "\\s(")
(forward-char 1))
(forward-sexp 1)
(skip-chars-forward " \t\n'(")
(buffer-substring (point)
(progn (forward-sexp 1)
(point)))))
((and (memq major-mode add-log-c-like-modes)
(save-excursion
(beginning-of-line)
(while (eq (char-after (- (point) 2)) ?\\)
(forward-line -1))
(looking-at "[ \t]*#[ \t]*define[ \t]")))
(beginning-of-line)
(while (eq (char-after (- (point) 2)) ?\\) (forward-line -1))
(search-forward "define")
(skip-chars-forward " \t")
(buffer-substring (point)
(progn (forward-sexp 1) (point))))
((memq major-mode add-log-c-like-modes)
(beginning-of-line)
(while (not (looking-at "{\\|\\(\\s *$\\)"))
(forward-line 1))
(or (eobp)
(forward-char 1))
(beginning-of-defun)
(if (progn (end-of-defun)
(< location (point)))
(progn
(backward-sexp 1)
(let (beg tem)
(forward-line -1)
(while (and (not (bobp))
(looking-at "[ \t\n]"))
(forward-line -1))
(if (condition-case nil
(and (save-excursion
(end-of-line)
(while (= (preceding-char) ?\\)
(end-of-line 2))
(backward-sexp 1)
(beginning-of-line)
(setq tem (point))
(looking-at "DEFUN\\b"))
(>= location tem))
(error nil))
(progn
(goto-char tem)
(down-list 1)
(if (= (char-after (point)) ?\")
(progn
(forward-sexp 1)
(skip-chars-forward " ,")))
(buffer-substring (point)
(progn (forward-sexp 1) (point))))
(if (looking-at "^[+-]")
(change-log-get-method-definition)
;; Ordinary C function syntax.
(setq beg (point))
(if (and (condition-case nil
;; Protect against "Unbalanced parens" error.
(progn
(down-list 1) ; into arglist
(backward-up-list 1)
(skip-chars-backward " \t")
t)
(error nil))
;; Verify initial pos was after
;; real start of function.
(save-excursion
(goto-char beg)
;; For this purpose, include the line
;; that has the decl keywords. This
;; may also include some of the
;; comments before the function.
(while (and (not (bobp))
(save-excursion
(forward-line -1)
(looking-at "[^\n\f]")))
(forward-line -1))
(>= location (point)))
;; Consistency check: going down and up
;; shouldn't take us back before BEG.
(> (point) beg))
(let (end middle)
;; Don't include any final newline
;; in the name we use.
(if (= (preceding-char) ?\n)
(forward-char -1))
(setq end (point))
(backward-sexp 1)
;; Now find the right beginning of the name.
;; Include certain keywords if they
;; precede the name.
(setq middle (point))
(forward-word -1)
;; Ignore these subparts of a class decl
;; and move back to the class name itself.
(while (looking-at "public \\|private ")
(skip-chars-backward " \t:")
(setq end (point))
(backward-sexp 1)
(setq middle (point))
(forward-word -1))
(and (bolp)
(looking-at "struct \\|union \\|class ")
(setq middle (point)))
(goto-char end)
(when (eq (preceding-char) ?=)
(forward-char -1)
(skip-chars-backward " \t")
(setq end (point)))
(buffer-substring middle end)))))))))
((memq major-mode add-log-tex-like-modes)
(if (re-search-backward
"\\\\\\(sub\\)*\\(section\\|paragraph\\|chapter\\)" nil t)
(progn
(goto-char (match-beginning 0))
(buffer-substring (1+ (point));; without initial backslash
(progn
(end-of-line)
(point))))))
((eq major-mode 'texinfo-mode)
(if (re-search-backward "^@node[ \t]+\\([^,\n]+\\)" nil t)
(buffer-substring (match-beginning 1)
(match-end 1))))
((eq major-mode 'perl-mode)
(if (re-search-backward "^sub[ \t]+\\([^ \t\n]+\\)" nil t)
(buffer-substring (match-beginning 1)
(match-end 1))))
((or (eq major-mode 'fortran-mode)
;; Needs work for f90, but better than nothing.
(eq major-mode 'f90-mode))
;; must be inside function body for this to work
(beginning-of-fortran-subprogram)
(let ((case-fold-search t)) ; case-insensitive
;; search for fortran subprogram start
(if (re-search-forward
"^[ \t]*\\(program\\|subroutine\\|function\
\\|[ \ta-z0-9*()]*[ \t]+function\\|\\(block[ \t]*data\\)\\)"
(save-excursion (end-of-fortran-subprogram)
(point))
t)
(or (match-string 2)
(progn
;; move to EOL or before first left paren
(if (re-search-forward "[(\n]" nil t)
(progn (backward-char)
(skip-chars-backward " \t"))
(end-of-line))
;; Use the name preceding that.
(buffer-substring (point)
(progn (backward-sexp)
(point)))))
"main")))
(t
;; If all else fails, try heuristics
(let (case-fold-search)
(end-of-line)
(if (re-search-backward add-log-current-defun-header-regexp
(- (point) 10000)
t)
(buffer-substring (match-beginning 1)
(match-end 1))))))))
(error nil)))
(defvar change-log-get-method-definition-md)
;; Subroutine used within change-log-get-method-definition.
;; Add the last match in the buffer to the end of `md',
;; followed by the string END; move to the end of that match.
(defun change-log-get-method-definition-1 (end)
(setq change-log-get-method-definition-md
(concat change-log-get-method-definition-md
(buffer-substring (match-beginning 1) (match-end 1))
end))
(goto-char (match-end 0)))
;; For objective C, return the method name if we are in a method.
(defun change-log-get-method-definition ()
(let ((change-log-get-method-definition-md "["))
(save-excursion
(if (re-search-backward "^@implementation\\s-*\\([A-Za-z_]*\\)" nil t)
(change-log-get-method-definition-1 " ")))
(save-excursion
(cond
((re-search-forward "^\\([-+]\\)[ \t\n\f\r]*\\(([^)]*)\\)?\\s-*" nil t)
(change-log-get-method-definition-1 "")
(while (not (looking-at "[{ (looking-at
"\\([A-Za-z_]*:?\\)\\s-*\\(([^)]*)\\)?[A-Za-z_]*[ \t\n\f\r]*")
(change-log-get-method-definition-1 ""))
(concat change-log-get-method-definition-md "]"))))))
(provide 'add-log)